Climatological Report (Daily)
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
989
CDUS43 KLOT 210632
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT THU AUG 21 2025
...................................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 20 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1996 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 76 3:06 PM 93 2010 82 -6 71
MINIMUM 67 5:32 AM 57 2012 64 3 57
2015
2024
AVERAGE 72 73 -1 64
PRECIPITATION (IN)
YESTERDAY 0.00 1.17 2005 0.12 -0.12 0.00
MONTH TO DATE 3.16 2.34 0.82 0.82
SINCE JUN 1 9.90 9.46 0.44 11.09
SINCE JAN 1 17.67 20.98 -3.31 25.38
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 1
MONTH TO DATE 0 0 0 1
SINCE JUN 1 21 40 -19 15
SINCE JUL 1 0 3 -3 4
COOLING
YESTERDAY 7 8 -1 0
MONTH TO DATE 243 184 59 165
SINCE JUN 1 875 675 200 717
SINCE JAN 1 896 735 161 754
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 8.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 3:00 AM
LOWEST 64 4:00 PM
AVERAGE 81
..........................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 96 2003
MINIMUM TEMPERATURE (F) 64 53 2012
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 6:06 AM CDT SUNSET 7:43 PM CDT
AUGUST 22 2025........SUNRISE 6:07 AM CDT SUNSET 7:41 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$